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US2131933A
Expired / Lapsed
US
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Fuel injection pump
Assignee: Whitnash PLC
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Filing: 1936-10-05
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Granted: 1938-10-04
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Expires: 1956-10-05
Abstract
No abstract record available.
Inventors
- 👤 Brock Denis Tabor
- 👤 Trapp George Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:46
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/44; F02M39/00; F02M39/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-10-03 | 1942-04-04 | 1942-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-03 | 1946-04-04 | 1946-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-03 | 1950-04-04 | 1950-10-04 | $7700.00 | Window Closed / Lapsed |